@@ -239,6 +239,9 @@
#define DP_DSC_SUPPORT 0x060 /* DP 1.4 */
# define DP_DSC_DECOMPRESSION_IS_SUPPORTED (1 << 0)
+# define DP_DSC_PASS_THROUGH_IS_SUPPORTED (1 << 1)
+# define DP_DSC_DYNAMIC_PPS_UPDATE_SUPPORT_COMP_TO_COMP (1 << 2)
+# define DP_DSC_DYNAMIC_PPS_UPDATE_SUPPORT_UNCOMP_TO_COMP (1 << 3)
#define DP_DSC_REV 0x061
# define DP_DSC_MAJOR_MASK (0xf << 0)
@@ -277,12 +280,15 @@
#define DP_DSC_BLK_PREDICTION_SUPPORT 0x066
# define DP_DSC_BLK_PREDICTION_IS_SUPPORTED (1 << 0)
+# define DP_DSC_RGB_COLOR_CONV_BYPASS_SUPPORT (1 << 1)
#define DP_DSC_MAX_BITS_PER_PIXEL_LOW 0x067 /* eDP 1.4 */
#define DP_DSC_MAX_BITS_PER_PIXEL_HI 0x068 /* eDP 1.4 */
# define DP_DSC_MAX_BITS_PER_PIXEL_HI_MASK (0x3 << 0)
# define DP_DSC_MAX_BITS_PER_PIXEL_HI_SHIFT 8
+# define DP_DSC_MAX_BPP_DELTA_VERSION_MASK 0x06
+# define DP_DSC_MAX_BPP_DELTA_AVAILABILITY 0x08
#define DP_DSC_DEC_COLOR_FORMAT_CAP 0x069
# define DP_DSC_RGB (1 << 0)
@@ -344,11 +350,13 @@
# define DP_DSC_24_PER_DP_DSC_SINK (1 << 2)
#define DP_DSC_BITS_PER_PIXEL_INC 0x06F
+# define DP_DSC_RGB_YCbCr444_MAX_BPP_DELTA_MASK 0x1f
+# define DP_DSC_RGB_YCbCr420_MAX_BPP_DELTA_MASK 0xe0
# define DP_DSC_BITS_PER_PIXEL_1_16 0x0
# define DP_DSC_BITS_PER_PIXEL_1_8 0x1
# define DP_DSC_BITS_PER_PIXEL_1_4 0x2
# define DP_DSC_BITS_PER_PIXEL_1_2 0x3
-# define DP_DSC_BITS_PER_PIXEL_1 0x4
+# define DP_DSC_BITS_PER_PIXEL_1_1 0x4
#define DP_PSR_SUPPORT 0x070 /* XXX 1.2? */
# define DP_PSR_IS_SUPPORTED 1
Adding DP DSC register definitions, we might need for further DSC implementation, supporting MST and DP branch pass-through mode. v2: - Fixed checkpatch comment warning v3: - Removed function which is not yet used(Jani Nikula) Signed-off-by: Stanislav Lisovskiy <stanislav.lisovskiy@intel.com> --- include/drm/display/drm_dp.h | 10 +++++++++- 1 file changed, 9 insertions(+), 1 deletion(-)